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21st December
2015
written by Richard

Kelp–best known as the flyblown brown seaweed that fouls beaches and tangles the legs of ocean swimmers—is actually one of San Diego’s great natural products. In the early 1900s, the processing of ocean kelp by the Hercules Powder Company in a huge plant in Chula Vista employed hundreds of people and helped win a war. The story of Hercules Powder.

Hercules Powder Company

Hercules Powder Company

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